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Investigate activating the IRCE LLVM pass #22987

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huonw opened this issue Mar 3, 2015 · 2 comments
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Investigate activating the IRCE LLVM pass #22987

huonw opened this issue Mar 3, 2015 · 2 comments
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A-codegen Area: Code generation A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. I-slow Issue: Problems and improvements with respect to performance of generated code.

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@huonw
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huonw commented Mar 3, 2015

"Inductive range check elimination" may help remove bounds checks inside loops. That said, the extra compilation time required to run the pass may not be worth it (since our iterators work well).

http://llvm.org/docs/Frontend/PerformanceTips.html
@huonw huonw added A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-codegen Area: Code generation A-optimization labels Mar 3, 2015
@gnzlbg
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gnzlbg commented Mar 20, 2015

+1

@huonw huonw mentioned this issue Dec 1, 2015
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@huonw huonw added the I-slow Issue: Problems and improvements with respect to performance of generated code. label Dec 27, 2015
@brson
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brson commented Jun 1, 2017

Closing old wishlist.

@brson brson closed this as completed Jun 1, 2017
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A-codegen Area: Code generation A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. I-slow Issue: Problems and improvements with respect to performance of generated code.
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